







【Pre-sale】U100 Dual-System HVAC Scent System for 18000m³ Coverage
Shipping Time: Pre-sale diffusers will ship approximately 30 days after order placement.
Waterless Cold-Air Diffuser
Cruelty free
No water required
Child and Pet Safe
What is Cold-Air Dual-Fluid Technology?
No water. No heat. Just pure scent.Our tech turns oils into an invisible, weightless mist (1-5 microns) using only air pressure. Like a perfume atomizer for your home—zero dilution, zero residue, and zero humidity. Perfect for sensitive noses, wooden furniture, and spaces where cleanliness matters.
Why Cold-Air Diffusion Outperforms?
✔️No water waste. Oils last 3x longer than in watered-down ultrasonic diffusers.
✔️No mold dramaWater-free = 0% chance of slimy tanks. Just add oil and breathe.
✔️Tweak your vibeAdjust mist intensity from “barely there” to “whole-room bliss” with a dial.
Cold-Air Dual-Fluid vs. Ultrasonic
✖️ Ultrasonic: Water mess, mold risk, foggy residue.
✔️ Ours: Pure air diffusion. No water. No mold. No scrubbing.Your win:
✨ Scents last 3x longer (no water dilution)
✨ 3 months of "set & forget" vs. daily refills
✨ Hygienic self-clean – Just run 70% alcohol for 10 mins (no disassembly!)"
Finally, a diffuser that works harder than I do." – 2,300+ 5-star reviewsTry risk-free – Love it in 7 days or your money back.
Choose options








Total Scent Dominion
Double the Power, Double the Possibilities. The U100 offers unparalleled scent coverage up to 18,000 cubic meters with two independent fragrance zones.
Core Advantages
- Massive Dual Coverage: Powered by two 30W pumps, reaching up to 18,000 cubic meters through seamless HVAC connection.
- Independent Scent Zones: Supports two fully separate scent systems and fragrance programming, allowing you to scent two distinct areas simultaneously.
- Dual 5L Capacity: Two 5L HDPE bottles (total 10L capacity) drastically reduce refilling frequency.
- Precision Control: Manage separate 24-hour programs and intensity settings via the secure Acrylic Touch Panel or WiFi/Bluetooth App.
- Integrated Design: Embedded, separate design for seamless, discreet installation within HVAC or ventilation ducts.
Model: U100
Color: Black
Material: Acrylic + Steel
Capacity: 5L HDPE bottle*2
Coverage: 6000-9000m³*2 Machine size: L369*W253.4*H190MM
Package size: 44*32*62CM
Voltage: AC 100-240V
Power: 52W
Net weight: 11.5KG
Gross weight: 12.8KG
Noise: ≤ 55dba
Safety & Maintenance Notes
Power Off: Always power off the device before performing maintenance or refills.
Positioning: Avoid inverting or tilting the device to prevent fragrance leakage.
Liquid Use: Never introduce toxic or harmful liquids; use only approved essential oils.
Child Safety: Keep out of children's reach to prevent accidents.
Cleaning: Regularly clean the device with alcohol to maintain nozzle functionality.
Water Contact: Protect from water immersion and surface liquid contact.
Operation: Operate only as instructed in the user manual.